FINANCIAL INSTITUTIONS INC 8-K

What Happened

• Financial Institutions, Inc. announced its financial results for the quarter ended March 31, 2026. The company issued a press release on April 23, 2026 that was furnished as Exhibit 99.1 to the Form 8-K.
• The company also published an investor presentation containing Q1 2026 data on its Investor Relations website at www.FISI-investors.com under “Events & Presentations.” The Form 8-K was signed by W. Jack Plants II, Executive VP, CFO and Treasurer.

Key Details

• Date of filing/announcement: April 23, 2026. Quarter reported: ended March 31, 2026.
• Press release describing the results is furnished as Exhibit 99.1 to the Form 8-K.
• Investor presentation with Q1 2026 data posted at www.FISI-investors.com (Events & Presentations).
• Company notes it may use its Investor Relations website to communicate material information; website content is not incorporated by reference into the 8-K.

Why It Matters

• This 8-K signals the company’s quarterly earnings disclosure—investors should review the press release and investor presentation for revenue, earnings, and other financial metrics that affect valuation and trading decisions.
• The filing also warns that material information may be posted on the company website, so shareholders should monitor both SEC filings and the Investor Relations site for updates.